Filesystems become Read-only due to I/O errors

(Doc ID 2367123.1)

Last updated on MARCH 09, 2018

Applies to:

Oracle VM - Version 3.3.1 and later
Linux x86-64

Symptoms

The following symptoms were observed:

++ File-systems become read-only.

++ During the time the paths were unavailable, I/O errors were reported on the VM

File: /var/log/messages
Feb 5 18:58:36 xxx kernel: end_request: I/O error, dev xvda, sector 8335405
Feb 5 18:58:36 xxx kernel: end_request: I/O error, dev xvda, sector 8564685
Feb 5 18:58:36 xxx kernel: end_request: I/O error, dev xvda, sector 103886605
Feb 5 18:58:36 xxx kernel: Read-error on swap-device (202:0:103886613)
Feb 5 18:58:36 xxx kernel: JBD: Detected IO errors while flushing file data on dm-0
Feb 5 18:58:36 xxx kernel: end_request: I/O error, dev xvdb, sector 118963575
Feb 5 18:58:36 xxx kernel: end_request: I/O error, dev xvdb, sector 14549255
Feb 5 18:58:36 xxx kernel: end_request: I/O error, dev xvdb, sector 14549359
Feb 5 18:58:36 xxx kernel: EXT3-fs error (device dm-0): ext3_find_entry: reading directory #1164337 offset 0
Feb 5 18:58:36 xxx kernel: end_request: I/O error, dev xvdb, sector 106215727

Changes

 No changes were made.

Cause

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